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    New project - USS Nautilus

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    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sun May 24, 2015 12:58 pm

    O.K., moulds for the middle section are done. Will let them sit for the better part of next week at decent temperature so that everything fully sets.....


    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sun May 31, 2015 12:36 pm

    First hull out of the new moulds. 3 mm GPR...also suitable for self defence ;-)






    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Tue Jun 02, 2015 6:53 pm

    Roughly put together....nevertheless, it starts to look like a boat:






    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Fri Jun 05, 2015 1:36 pm

    Just snapped together the support frame. 750 ml Engel tank, 12V, with Hall sensor and compact control unit. Makes the thing controllable like a servo. In the front: 4 x LiFePo



    One also can nicely see the v-shape of the stern bulkhead:






    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sun Jun 07, 2015 7:29 pm

    the grp-bridges on which the photo-etched deck will rest:






    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sun Jun 14, 2015 4:05 pm

    That's how it's gonna look like:


    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sat Jun 27, 2015 5:56 pm

    O.K, assembled the watertight motor feedthrough.

    The parts:


    Ball bearing installed:


    Seal installed:


    Motor fastened to the motor flange:


    Drive shaft installed:


    Assemby of the whole thing:


    And with the o-ring it's just one M16 nut to install the whole thing in a boat:

    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Wed Jul 08, 2015 7:29 pm

    O.K., my notebook is fit again. I made some progress with the boat, too:

    Anchor housing:






    First details on the sail:


    Evened out:


    Mast base light-weighted:


    And glued to the sail cover:









    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sat Jul 11, 2015 1:28 pm

    On we go:

    New decks and small brass parts; photo-etched:













    Fins on the sail:






    Bridge with brass deck:







    Flood holes with brass grids::





    Interior in the bow:



    Sail windows::


    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sun Jul 12, 2015 1:42 pm

    More detail work. The handrail on the sail is installed. I used 0,5 mm brass railing posts. The rail itself is made of 0,3 mm steel wire.









    The stern service hatch with positioning bolts:







    The v-shaped stern bulkhead was aligned to the stern tubes and glued into place. The bras tubes force the bulkhead into the right position:




    The technics frame then was an easy fix. M4 thread rods and nuts. The 8 mm brass tube is the feed for the piston tank:




    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Fri Jul 17, 2015 5:26 pm

    Not too mach space in the back in the boat, but I want a linkage without play. That's my solution:

    Make a flat on the side of a brass set collar and drill a hole (90° to the thread). Take a brass spherical joint and shorten it:



    Solder the shperical joint into the set collar and re-drill the center hole of the set collar:



    Done:



    Last edited by Dr.Schmidt on Sat Jul 18, 2015 4:02 pm; edited 2 times in total
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    John Wrennall
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    Re: New project - USS Nautilus

    Post  John Wrennall on Sat Jul 18, 2015 3:56 pm


    Absolutely GREAT idea to get rid of any free play in the linkage.

    (parts now on my shopping list....)

    How much rotation of the shaft will this allow before the nylon housing fouls the brass collar?

    John


    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sat Jul 18, 2015 4:00 pm

    I think +/- 30 -35°

    Should be enough.....

    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sat Jul 25, 2015 4:51 pm

    Worked allot on the sail, and some filling and grinding on the hull. Here's the current status:





    The bow got its flood holes:


    The sail is 90% assembled, primed and painted in its base color:




    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Thu Jul 30, 2015 6:39 pm

    First half of the last mould for my boat is done.....going to be the bow planes. Now the second half and the tool making should find an end by Sunday:


    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sat Aug 15, 2015 12:22 pm

    O.K., I didn't post for a while because filling and sanding is not only no fun but also doesn't look good on photos. But one can put on a big smile after finishing it....next are weld beads from Archer:
















    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Wed Aug 19, 2015 9:47 pm

    Almost like Christmas.....the props arrived today. Very nice:







    Meanwhile the boat got some weld beads from Archer:





    The torpedo hatches are masked and then painted over, resulting in slightly recessed areas:


    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Thu Aug 20, 2015 6:57 pm

    First layer of base color:




    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sun Aug 23, 2015 8:17 pm

    Base colors are on. Looks quite nice. But when I put the boat outside today to get the colors dry, I recognized some minor bubbles in the dark paint. Something I'll have to take care of tomorrow (pain in the a.....):





    The bow planes are finished as well. Those were the last moulds I made:


    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Tue Aug 25, 2015 4:44 pm

    Started the weathering. Below the waterline the boats usually look quite shabby. I did this using David Meriman's tooth paste weathering technique. Not that bad for a first try:






    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Wed Aug 26, 2015 4:52 pm

    Today's work - upper bow sonar dome. Archer rivets and some paint:




    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Thu Aug 27, 2015 6:52 pm

    Some more weathering...






    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sun Aug 30, 2015 1:18 pm

    The first segment of the brass deck is painted and installed. The hatch is a cast of resin and the hand wheel is photo-etched:





    Al masts are assembled and tentatively installed. In the end only a few will end up extracted:





    As expected, the props look awesome:



    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Wed Sep 02, 2015 7:34 pm

    On we go....second deck segment:



    Sail numbers (decals) with weathering:







    Boat name and draught marks - again decals:


    Dr.Schmidt
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    Re: New project - USS Nautilus

    Post  Dr.Schmidt on Sun Sep 06, 2015 6:28 pm

    The work on the outside of the boat approaches its preliminary end. The sail is pretty much done. The masts are installed, painted and the whip-antennas are mounted as well:







    The bow planes are finally installed in the still controversial v-position. The bow segment of the photo-etched deck will only be installed after the boat is trimmed to allow access to the bow for additional ballast/foam for trimming:


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